Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Component Tests
Ball Joint Inspection
1. Raise and support the vehicle.
2. Prior to performing any inspection of the ball joints, inspect the wheel
bearings.
3. Position a safety stand beneath the front suspension lower arm (3079) to be
tested.
4. While an assistant pul ...
Safety Belts
PRINCIPLES OF OPERATION
WARNING: Always drive and ride with your seat back upright
and the lap belt snug and low across the hips
WARNING: To reduce the risk of injury, make sure children sit
where they can be properly restrained.
WARNING: Never let a passenger ...
Supercharger Cooling System Draining, Filling and
Bleeding
Draining
WARNING: Never remove the pressure relief cap while the engine is
operating or when the
cooling system is hot. Failure to follow these instructions can result in damage
to the cooling
system or engine or personal injury. To avoid having scalding hot ...
